Telephone set



FIG. 1 is a perspective view of the telephone set shown my new design, with the telephone in the extended position;

FIG. 2 is a front elevational view of the design;

FIG. 3 is a rear elevational view of the design;

FIG. 4 is a right side elevational view of the design, wherein the left side elevational view of is substantially identical;

FIG. 5 is a top plan view of the design;

FIG. 6 is a bottom plan view of the design; and,

FIG. 7 is a front perspective view thereof, with the telephone set in the retracted position. 

The ornamental design for a telephone set, as shown and described. 